User`s guide

DESCRIPTION
11
2.9. Description of the individual components of the router
2.9.1. UMTS module
The UMTS module is used for UMTS/HSDPA/HSUPA/EDGE/GPRS/GSM UMTS
network wireless communication. It is integrated in the printed circuit board. The slide-out SIM
card reader is accessible from the front panel. The FME antenna connector is accessible from
the back panel.
UMTS Module
• Communicates in UMTS band 2100MHz
• CS bitrate – 64/64 kbps
• PS bitrate – 384/384 kbps
• Supports W-CDMA FDD (Wideband - Code Division Multiple Access Frequency Division
Duplex) standard
2.9.2. Control microcomputer
The core of the router is a 32-bit microprocessor with 64 MB RAM, 32 MB FLASH
EEPROM, serial interface RS-232 and an Ethernet interface 10/100 Mbit/s.
The microcomputer is connected to the UMTS OEM module through the USB interface and
controls the communication via UMTS/HSDPA/HSUPA/EDGE/GPRS/GSM. Towards to the
user it is connected on the Ethernet interface.
The software is built on the Linux operating system.
The router support services as like DHCP, NAT, GRE, IPsec tunnels, etc.
The modem settings are saved in the FLASH EEPROM memory. All modem
configurations can be done through a web interface (HTTP), which is protected by security
password.